Home / 66,536,415.90-99,655,324.65-54,592,479.90

Finding the Fourth Proportional to 66,536,415.90, 99,655,324.65 and 54,592,479.90

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Solution

The fourth proportional to 66,536,415.90, 99,655,324.65 and 54,592,479.90 is: 81,766,221.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,536,415.90 : 99,655,324.65 = 54,592,479.90 : x
  2. Step 2: Convert to fraction form
    66,536,415.90/99,655,324.65 = 54,592,479.90/x
  3. Step 3: Cross multiply
    66,536,415.90x = 99,655,324.65 × 54,592,479.90
  4. Step 4: Simplify right side
    66,536,415.90x = 5,440,431,307,883,100
  5. Step 5: Solve for x
    x = 5,440,431,307,883,100/66,536,415.90
  6. Step 6: Final answer
    x = 81,766,221.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.